Letters on the diseases of plants /
Cobb, N. A.
Letters on the diseases of plants / by N. A. Cobb - Sydney : W. A. Gullick, Govt. Printer, 1897 - 54 p. : ill. ; 24 cm - Miscellaneous Publication. Department of Agriculture, New South Wales ; n. 149 .
Tav. di studio SZN
Letters on the diseases of plants / by N. A. Cobb - Sydney : W. A. Gullick, Govt. Printer, 1897 - 54 p. : ill. ; 24 cm - Miscellaneous Publication. Department of Agriculture, New South Wales ; n. 149 .
Tav. di studio SZN